imperturbable
From LSJ
τῶν λεγομένων τά μέν κατά συμπλοκήν λέγεται, τά δέ ἄνευ συμπλοκῆς → forms of speech are either simple or composite (Aristotle, Categoriae 1a16-17)
English > Greek (Woodhouse)
adj.
P. and V. ἥσυχος, ἡσυχαῖος, P. ἡσύχιος.
Spanish > Greek
ἀτρεμής, ἀστεμφής, ἄθαμβος, δυσέκκρουστος, ἀδιάπτωτος, ἀνενόχλητος